Add load_benchmark wrapper + dataset_api; document benchmark Quick Start

Move time-series-classification from task_categories (whitelist-only) to tags (freeform)

Replace croissant_metadata.json with HF-discoverable croissant.json (cr 1.1, NC 4.0, 6 weeks, no placeholder SHAs)

Align license to CC BY-NC 4.0 across README/BIDS/Croissant; fix 8-week typo to 6-week

Rewrite README: full dataset card, fix viewer config, document 3 derivative tiers, add study design figure

Delete .DS_Store

Delete README

Update README.md

Delete croissant_metadata.json

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

initial commit